title: Etiology of endometriosis: hypotheses and facts.
mesh_terms: D004715:Endometriosis / Q000209:etiology* / Q000473:pathology / Q000503:physiopathology; D004717:Endometrium / Q000166:cytology / Q000473:pathology; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000150:complications; D017154:Stromal Cells / Q000473:pathology